// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Flags: --allow-natives-syntax

function foo() {}
// foo.__defineGetter__(undefined, function() {});
Object.defineProperty(foo, undefined, {
  get() {},
});
function bar() {}
function baz(x) {
  return x instanceof bar;
}
ArkTools.prepareFunctionForOptimization(baz);
ArkTools.optimizeFunctionOnNextCall(baz);
baz();
Object.setPrototypeOf(bar, null);
bar[Symbol.hasInstance] = function () {
  return true;
};
assertTrue(baz());
